Write two differences between autotrophic and heterotrophic nutrition.

Answer Autotrophic nutrition (any two) Heterotrophic nutrition (any two) Organism prepares its own food. Organism depends on other organisms for food. Food is prepared from carbon dioxide and water in presence of sunlight. Food cannot be prepared from carbon dioxide or water. Green plants and certain bacteria like blue green algae have autotrophic nutrition. All the animals, most bacteria have heterotrophic nutrition. Autrotrophs are producers in the food chain. Heterotrophs are consumers in the food chain.